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Core Java
Core Java refers to the fundamental and essential parts of the Java programming language that form the building blocks of Java development.Syntax: Understanding the basic syntax, data types, control structures, loops, etc.
Libraries: Utilizes core libraries, mainly those within java.lang, java.util, and similar basic packages.
JVM Understanding: Understanding how Java code is compiled into bytecode, and how it runs on the Java Virtual Machine (JVM).
Usage: Suitable for building fundamental applications and forms the base for all Java development.
- Java Syntax
- Data Types
- Variables
- Operators
- Expressions
- Control Flow Statements (if, switch, loops)
- Arrays
- Object-Oriented Programming (OOP) - Classes, Objects, Inheritance, Polymorphism, Encapsulation and Abstraction
- Abstract Classes and Interfaces
- Exception Handling (try, catch, finally) and Errors
- File Input/Output
- Java Streams
- Collections Framework - List, Set, Map, and its implementations
- Generics
- Multithreading, Synchronization
- String Handling
- Wrapper Classes
- Enums
- Java Date and Time
- Annotations
- Lambda Expressions
Advanced Java
Advanced Java builds on the principles of Core Java and introduces more complex and specialized concepts.Enterprise Development: Understanding Java Enterprise Edition (JEE) with components like Enterprise JavaBeans (EJB). In Java development, most companies use Spring Framework to build enterprise applications. Spring Framework is a replacement for EJB.
Networking: Understanding sockets, RMI, and other network-related programming.
Concurrency: In-depth understanding of multi-threading, synchronization, and concurrent collections.
Design Patterns: Introduction to more complex design patterns and architecture.
Usage: Suitable for building robust, scalable, and complex applications, including web applications, distributed systems, etc.
- JDBC
- Servlets
- JavaServer Pages (JSP)
- JavaServer Faces (JSF)
- Spring (Core, MVC, Boot)
- Hibernate
- Networking
- Remote Method Invocation (RMI)
- Enterprise Java (Java EE)
- Enterprise JavaBeans (EJB)
- Java Persistence API (JPA)
- Java Transaction API (JTA)
- Java Message Service (JMS)
- Design Patterns
- JUnit
- Mockito
- Web Services (SOAP, REST)
- JavaFX for GUI
Aspect | Core Java | Advanced Java |
---|---|---|
Scope | Covers fundamental parts of the Java language | Includes specialized technologies and frameworks |
Concepts | Basics such as syntax, data types, operators, string, arrays, loops, exceptions, OOP concepts, exception handling, multithreading, collections, etc | Advanced topics like Servlets, JSP, Networking, JDBC, JSF, RMI, JPA, JMS, EJB, etc |
Programming Level | Beginner to Intermediate | Intermediate to Advanced |
Target Applications | Standalone applications, fundamental building blocks | Enterprise-level applications, web applications, distributed systems |
Libraries and APIs | Standard libraries for basic functionalities | Extensive APIs like JPA, JMS, Swing, JavaFX, EJB, etc. |
Usage | Foundational for all Java development | Specific to complex, scalable, and dynamic applications |
Dependency | None or minimal external dependencies | Often relies on various frameworks (Spring, Hibernate) and libraries (JSON, XML) |
Learning Path | Usually learned first | Builds upon Core Java concepts and skills |
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